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JSON Formatter & Validator

Format, validate, and inspect JSON documents.

Get it in the desktop app

What it does

Format, validate, and inspect JSON documents. Part of Developer Tools — Format, validate, encode, and inspect.

When to use it

Pretty-print a minified API response and pinpoint the line with the syntax error.

Privacy & safety

Parses and formats locally; scripts are never executed. Paste only code you are allowed to share with your own machine.

This tool works on text you paste — nothing leaves the page until you copy or save it yourself.

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